Because of the small display capacity and low brightness, and difficulty to display secondary information, traditional radar random scan display is being replaced by radar raster scan display.

• 传统的雷达随机扫描显示器因存在显示容量较小,显示亮度很低,难以实现二次信息显示等缺点,已逐渐被雷达光栅扫描显示器所取代。